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Isometric and Isotonic Contraction: Definition and Examples

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Muscles are composed of _____, which are made up of multiple muscle fibers innervated by a single motor neuron.

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1. Henry is getting ready to kick a field goal. When his thigh muscle contracts to straighten his knee right before the kick, this is known as _____ contractions?

2. Sally is carrying a box of training materials directly in front of her, as she is on her way to set-up a conference room prior to the start of a seminar. While she is walking her biceps are remaining in a fixed position and are not being raised or lowered. Which of the following is this an example of?

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About This Quiz & Worksheet

Isometric and isotonic contractions are types of muscle contractions that perform different functions, and this quiz and worksheet combination will help you test your understanding of the purposes of these types of muscle movements. The questions on the quiz will ask you to identify several types of muscle contractions.

Quiz & Worksheet Goals

You can expect to answer questions on:

  • A group of muscle fibers innervated by a motor neuron
  • The types of contractions and their purposes in performing work
  • Force needed to perform work and how this relates to muscle contraction

Skills Practiced

  • Making connections - use your understanding of force in order to better understand how muscle contractions allow work to be performed
  • Defining key concepts - ensure that you can accurately define main phrases, such as isometric and isotonic
  • Information recall - access the knowledge you've gained regarding muscle contractions

Additional Learning

Discover more about this topic by going over the lesson called Isometric and Isotonic Contraction: Definition and Examples. This lesson covers the following objectives:

  • Define skeletal muscles and muscle tone
  • Learn the literal meaning of the words isotonic and isometric
  • Describe how muscles are able to do work through contraction
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